/Engine/Source/Runtime/AugmentedReality/Public/ARBlueprintLibrary.h
Manually add a tracked point with name and world transform. : transform in the world space where the point should be created. : the name of the created point, must be non-empty. : if existing points with the same name should be deleted.
if the operation succeeds. Note that this is an async operation - the added point won't be available until a few frames later.
static bool AddTrackedPointWithName ( const FTransform & WorldTransform, const [FString](API\Runtime\Core\Containers\FString) & PointName, bool bDeletePointsWithSameName )